NO way! It will inhibit your ability to share, he will perhaps criticize what happens there, undermine you and
Dont take that chance.
If he is so curious he can go to a different alanon meeting somewhere else.
I just had a big red flag reaction to that without even being able to recall any of your story.
That just feels really unsafe and too entangled.
He can go to his own meeting! This is for you to learn tools to cope with his addiction!